Only burning 2000 calories a day for a male would be considered a really slow metabolism.
As for gaining weight:
8 ounces of butter is 1628 calories (put it on stuff throughout the day)
32 ounces of eggnog is 1374 calories
1 cup of peanuts is 814 calories
A triple whopper from Burger King with a large french fries and milk shake is 2820 calories. (1250 + 580 + 990)
A pizza hut supreme stuffed crust pizza is 410 calories per slice. (and they define a slice as 1/8th of a pizza)
1 Bloomin Onion appetizer from Outback Steakhouse is 2310 calories
I could EASILY rack up 7k calories per day with minimal extra effort if for some strange reason I wanted to.
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